Ralf Koberstein

Variable restricting component for hydraulic operating unit has valve element which in case of temperature change automatically executes shape and position change for local influencing of cross section of fluid passage

Hydraulic actuation device of a rod vehicle with a variable throttle element

Hydraulic cylinder, e.g. for the operation of a motor vehicle clutch. has a mounting flange and an adapter plate for attachment to a fixed vehicle carrier part

Hydraulic actuation device in motor vehicles

Actuating system for coupling device of vehicle, has damping element designed to convert portion of movement energy of force transmission element before engagement position or disengagement position in irreversible manner

Hydraulisches Betätigungssystem für eine Kraftfahrzeugkupplung mit einer Entlüftungseinrichtung

Pressure medium cylinder e.g. hydraulic master cylinder, for e.g. hydraulic braking system, to actuate friction coupling of motor vehicle, has guide sleeve axially supported at housing and at safety element firmly connected with housing

Plastic fluid conduit with a connecting fitting constructed as plastic mounted part

Hydraulic actuation system for a motor vehicle with a ventilation device

Pressure-medium cylinder for hydraulic actuation device for actuating motor vehicle clutch, has guide sleeve axially fixed at housing, and shifting together with seal arrangement for releasing transfer port when limiting pressure is high